<html>
    <head>
        <title>web nodejs</title>
        <meta charset="utf-8">
    </head>
    <body>
        <h1>登陆</h1>
        <form method="post" >
        <div>
            <input type="text" name="username" placeholder="用户名">
            <input type="password" name="password" placeholder="密码">
            <input type="submit" value="提交"> 
        </div>
        </form>
    </body>
</html>